GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-23 07:12:09 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

tools/virtio: separate headers more.

Browse source 
This makes them a bit more like the kernel headers, so we can include more
real kernel headers in our tests.

In addition this means that we don't break tools/virtio with the next
patch.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2013-03-18 13:22:19 +10:30
parent a9a0fef779
commit 61d0b5a4b2
21 changed files with 450 additions and 147 deletions
Download patch file Download diff file Expand all files Collapse all files

26
tools/virtio/linux/err.h Normal file
View file

@ -0,0 +1,26 @@
#ifndef ERR_H
#define ERR_H
#define MAX_ERRNO 4095
#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
static inline void * __must_check ERR_PTR(long error)
{
return (void *) error;
}
static inline long __must_check PTR_ERR(const void *ptr)
{
return (long) ptr;
}
static inline long __must_check IS_ERR(const void *ptr)
{
return IS_ERR_VALUE((unsigned long)ptr);
}
static inline long __must_check IS_ERR_OR_NULL(const void *ptr)
{
return !ptr || IS_ERR_VALUE((unsigned long)ptr);
}
#endif /* ERR_H */